lexer: Fix negative 'n0' and 'n1' in lex_source_contains_macro_call().
[pspp] / src / language / lexer / macro.h
2021-07-24 Ben Pfaffmacro: Make ARG_CHAREND and ARG_ENCLOSE more uniform...
2021-07-18 Ben Pfafflexer: Change the pipeline to allow more flexible use...
2021-07-05 Ben PfaffDEFINE: New command.